diff options
Diffstat (limited to 'src/test/ui/associated-type-bounds/struct-bounds.rs')
-rw-r--r-- | src/test/ui/associated-type-bounds/struct-bounds.rs | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/src/test/ui/associated-type-bounds/struct-bounds.rs b/src/test/ui/associated-type-bounds/struct-bounds.rs deleted file mode 100644 index 2c1ce1c37..000000000 --- a/src/test/ui/associated-type-bounds/struct-bounds.rs +++ /dev/null @@ -1,116 +0,0 @@ -// run-pass - -#![allow(unused)] -#![feature(associated_type_bounds)] - -trait Tr1 { type As1; } -trait Tr2 { type As2; } -trait Tr3 {} -trait Tr4<'a> { type As4; } -trait Tr5 { type As5; } - -impl Tr1 for &str { type As1 = bool; } -impl Tr2 for bool { type As2 = u8; } -impl Tr3 for u8 {} -impl Tr1 for () { type As1 = (usize,); } -impl<'a> Tr4<'a> for (usize,) { type As4 = u8; } -impl Tr5 for bool { type As5 = u16; } - -struct St1<T: Tr1<As1: Tr2>> { - outest: T, - outer: T::As1, - inner: <T::As1 as Tr2>::As2, -} - -fn unwrap_1_st1<T: Tr1<As1: Tr2>>(x: St1<T>) -> (T, T::As1, <T::As1 as Tr2>::As2) { - (x.outest, x.outer, x.inner) -} - -fn unwrap_2_st1<T>(x: St1<T>) -> (T, T::As1, <T::As1 as Tr2>::As2) -where - T: Tr1, - T::As1: Tr2, -{ - unwrap_1_st1(x) -} - -struct St2<T: Tr1<As1: Tr2<As2: Tr3>>> { - outest: T, - outer: T::As1, - inner: <T::As1 as Tr2>::As2, -} - -struct St3<T: Tr1<As1: 'static>> { - outest: T, - outer: &'static T::As1, -} - -struct St4<'x1, 'x2, T: Tr1<As1: for<'l> Tr4<'l>>> { - f1: &'x1 <T::As1 as Tr4<'x1>>::As4, - f2: &'x2 <T::As1 as Tr4<'x2>>::As4, -} - -struct St5<'x1, 'x2, T: Tr1<As1: for<'l> Tr4<'l, As4: Copy>>> { - f1: &'x1 <T::As1 as Tr4<'x1>>::As4, - f2: &'x2 <T::As1 as Tr4<'x2>>::As4, -} - -struct St6<T> -where - T: Tr1<As1: Tr2 + 'static + Tr5>, -{ - f0: T, - f1: <T::As1 as Tr2>::As2, - f2: &'static T::As1, - f3: <T::As1 as Tr5>::As5, -} - -struct St7<'a, 'b, T> // `<T::As1 as Tr2>::As2: 'a` is implied. -where - T: Tr1<As1: Tr2>, -{ - f0: &'a T, - f1: &'b <T::As1 as Tr2>::As2, -} - -fn _use_st7<'a, 'b, T>(x: St7<'a, 'b, T>) -where - T: Tr1, - T::As1: Tr2, -{ - let _: &'a T = &x.f0; -} - -struct StSelf<T> where Self: Tr1<As1: Tr2> { - f2: <<Self as Tr1>::As1 as Tr2>::As2, -} - -impl Tr1 for StSelf<&'static str> { type As1 = bool; } - -fn main() { - let st1 = St1 { outest: "foo", outer: true, inner: 42u8 }; - assert_eq!(("foo", true, 42), unwrap_1_st1(st1)); - - let _ = St2 { outest: "foo", outer: true, inner: 42u8 }; - - let _ = St3 { outest: "foo", outer: &true }; - - let f1 = (1,); - let f2 = (2,); - let st4 = St4::<()> { f1: &f1.0, f2: &f2.0, }; - assert_eq!((&1, &2), (st4.f1, st4.f2)); - - // FIXME: requires lazy normalization. - /* - let f1 = (1,); - let f2 = (2,); - let st5 = St5::<()> { f1: &f1.0, f2: &f2.0, }; - assert_eq!((&1, &2), (st5.f1, st5.f2)); - */ - - let st6 = St6 { f0: "bar", f1: 24u8, f2: &true, f3: 12u16, }; - assert_eq!(("bar", 24, &true, 12), (st6.f0, st6.f1, st6.f2, st6.f3)); - - let stself = StSelf::<&'static str> { f2: 42u8 }; - assert_eq!(stself.f2, 42u8); -} |